// Person.prototype=function sayHello(){
//     console.log("Hi");
// }
Person.
function Person(name,age,gender){
    this.name = name;
    this.age = age;
    this.gender = gender;
}
var p1 = new Person();
var p2 = new Person();
console.log(p1.sayHello==p2.sayHello);
